Table of Contents

PROCESSES AND PERFORMANCE. Overview of Wetlands for Water Quality Treatment. Wetland Hydrologic and Biogeochemical Cycles. Water Flow in Wetlands. Chemical Reactions in Treatment Wetlands. Wetland Process Modifiers. Suspended Solids. Biochemical and Chemical Oxygen Demand. Nitrogen. Phosphorus. Trace Metals and Macroelements. Trace Organics and Inorganics. Pathogens. PRINCIPAL DESIGN CONSIDERATIONS. Analysis of the Wetland Alternative. Wastewater Source Characterization. Regulatory Considerations. Selection of Appropriate Ecosystem Type. Detailed Design. Detailed Economics. ANCILLARY DESIGN ISSUES AND IMPLEMENTATION. Wetland Soils. Groundwater Protection and Liners. Vegetation Selection and Establishment. Design for Wildlife Habitat. Design For Ancillary Human Uses. Construction and Startup. Operation and Maintenance.